Introduction:

Gears and Pulleys offer two more examples of a force-distance tradeoff. There are some handy tricks to finding the input and output distance of each.

Activity:

Try the gear and pulley samples provided by your teacher. Explain the force-distance trade-off involved.

Conclusion:

Start to look for materials that could be used as simple machines! Start to collect junk for your RGD!

Enrichment: